import axios from 'axios'
import { Message, MessageBox } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: "/mzt/mzt/", // url = base url + request url
  // baseURL: "http://168.11.63.63:8080/mzt/mzt/", // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 3000000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    const token = getToken()
    if (token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = token
    }
    return config
  },
  error => {
    // do something with request error
    console.error(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code && res.code !== 0) {
      // 8: 会话已失效
      if (response.config && response.config.hideError === true) {
        // do nothing
      } else {
        if (res.code === 8) {
          MessageBox.confirm('您的会话已失效, 您可以点击关闭以便保持本页面, 或尝试重新登录', '会话已失效', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning',
            showClose: false,
            closeOnPressEscape: false,
            closeOnClickModal: false
          }).then(() => {
            store.dispatch('user/resetToken').then(() => {
              location.reload()
            })
          })
        } else {
          Message({
            message: res.message || 'Ajax请求内部异常',
            type: 'error',
            duration: 5 * 1000
          })
        }
      }
      if (res.message) {
        return Promise.reject(new Error(res.message))
      } else {
        console.error(response.config)
        return Promise.reject(new Error('Ajax请求内部异常'))
      }
    } else {
      return res
    }
  },
  error => {
    Message({
      message: error || 'Ajax请求内部异常',
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
